Physics
In a piano, pitch is decreased by:
- using thicker string
- increasing tension
- reducing length of string
- striking it hard
Sound
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Answer
using thicker string
Reason — In stringed instruments like piano, a note of lower pitch can be obtained by vibrating the string under low tension or by vibrating a thicker string.
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Related Questions
The safe limit of loudness of audible sound is:
- 0 to 80 dB
- above 80 dB
- 120 dB
- above 120 dB
The unit of loudness is:
- cm
- second
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- decibel
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- pitch decreases
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Pitch of a note depends on :
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